<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<link rel="stylesheet" href="css/bootstrap.min.css" />
		<style>
			div[class^=col] {
				border: solid 1px orange;
			}
		</style>
		<!-- 
		  1.容器两边有15px的padding
		   padding-left:15px
		   padding-right:15px
		  2.行两边有-15px的margin
		   margin-left:-15px
		   margin-right:-15px
		  3.列两边有15px的padding
		   padding-left:15px
		   padding-right:15px
		-->
	</head>
	<body>
		<div class="container">
			<div class="row">
				<div class="col-lg-1">col-lg-1</div>
				<div class="col-lg-1">col-lg-1</div>
				<div class="col-lg-10">col-lg-10</div>
			</div>
		</div>
	</body>
</html>
